OpenTechnical

OT-2026-000081364

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000081364) never changes.

Identity and time

Publication numberOT-2026-000081364 · never reused
Internal UUID01a0ae96-f375-751b-b224-8b3c3addd5d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081364
StatusPUBLIC

Content hashes

Canonical text807f4c540cefa82da11e56842741e42f8d7a3fc6db9ab65f56ac28df96ac833a
Markdown29f88b801aec0eb3a1c8ce5e962939b2199c64d042efb3181512cbc1d289d824
PDF
Publication pageb423c3e8ba8083716ce1391dc5ca4d5bc104a964d124487d68a2b5a9d4afe668
Manifestdacbc758f94f7a6bb89b1c387a1e9b5dd5758581b6b4725895b34433ebccf942

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturejo3J7OEmwXmdh5t0fOTg28g1PzVdrSnw5gzwI5HrtJANlT3yqqJF0mu22PlrPoQUuFpi2yft1SE5awD/XfaaDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:29.840265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081364
observed b423c3e8ba8083716ce1391dc5ca4d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.817864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081364/manifest.json
observed dacbc758f94f7a6bb89b1c387a1e9b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.800388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081364/publication.md
observed 29f88b801aec0eb3a1c8ce5e962939b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.782185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081364/publication.txt
observed 807f4c540cefa82da11e56842741e42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.